:root {
  --bg: #0f172a;
  --bg-alt: #16213a;
  --accent: #38bdf8;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --card: #1a2540;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }

.hero {
  background: linear-gradient(135deg, var(--bg), var(--bg-alt));
  padding-bottom: 4rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  flex-wrap: wrap;
}

.logo { font-weight: 700; font-size: 1.2rem; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a { color: var(--text-dim); font-weight: 500; }
.nav-links a:hover { color: var(--accent); }

.hero-content {
  text-align: center;
  padding: 4rem 1rem 2rem;
}

.hero-content h1 { font-size: 2.8rem; margin-bottom: .5rem; }
.hero-content p { color: var(--accent); font-size: 1.2rem; }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 3.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

section h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.card {
  background: var(--card);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.card h3 { margin-bottom: .3rem; }
.meta { color: var(--text-dim); font-size: .9rem; margin-bottom: .6rem; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.skill span { display: block; margin-bottom: .4rem; font-weight: 500; }
.bar { background: var(--card); border-radius: 6px; height: 10px; overflow: hidden; }
.bar div { background: var(--accent); height: 100%; border-radius: 6px; }

.hobby-list { list-style: none; display: flex; flex-wrap: wrap; gap: .8rem; }
.hobby-list li {
  background: var(--card);
  padding: .5rem 1rem;
  border-radius: 20px;
  font-size: .95rem;
}

.contact-links { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 1.05rem; }
.contact-links .soon { color: var(--text-dim); font-size: .95rem; }

.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-size: .7rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: .5rem;
}

.cert {
  margin-top: 1.2rem;
  color: var(--text-dim);
  font-weight: 500;
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-size: .9rem;
}

@media (max-width: 600px) {
  .hero-content h1 { font-size: 2rem; }
  nav { flex-direction: column; gap: 1rem; }
}